Analysis

  • max time kernel
    150s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 23:45

General

  • Target
    Reporte_Estado_De_Pago.pdf_Certificado-0000100000050089468x.msi
  • Size 6.4MB
  • Sample221130-3rrvwaag21
  • SHA256 df2f7dee20fb4b16fd8dbd026583c9669c60d772c0cb9b22bc0ef51bba45e69d
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Reporte_Estado_De_Pago.pdf_Certificado-0000100000050089468x.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2632
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 60DBF6AF0595D1BDD1C94D9A03DD12B7
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:3848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSIEBF6.tmp

        • Path C:\Windows\Installer\MSIEBF6.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIEBF6.tmp

        • Path C:\Windows\Installer\MSIEBF6.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF108.tmp

        • Path C:\Windows\Installer\MSIF108.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF108.tmp

        • Path C:\Windows\Installer\MSIF108.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF1A5.tmp

        • Path C:\Windows\Installer\MSIF1A5.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF1A5.tmp

        • Path C:\Windows\Installer\MSIF1A5.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF214.tmp

        • Path C:\Windows\Installer\MSIF214.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIF214.tmp

        • Path C:\Windows\Installer\MSIF214.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSIFC76.tmp

        • Path C:\Windows\Installer\MSIFC76.tmp
        • Size 5.8MB
        • SHA256 8746baf5130285c866004589ff3cc1c1422b040f722231d2a3a5981a79588b0b
        • MD5 SHA1 SHA512 SSDEEP

        MSIFC76.tmp

        • Path C:\Windows\Installer\MSIFC76.tmp
        • Size 5.8MB
        • SHA256 8746baf5130285c866004589ff3cc1c1422b040f722231d2a3a5981a79588b0b
        • MD5 SHA1 SHA512 SSDEEP

        MSIFC76.tmp

        • Path C:\Windows\Installer\MSIFC76.tmp
        • Size 5.8MB
        • SHA256 8746baf5130285c866004589ff3cc1c1422b040f722231d2a3a5981a79588b0b
        • MD5 SHA1 SHA512 SSDEEP

        memory/3848-144-0x0000000002EB0000-0x0000000003BBB000-memory.dmp

        memory/3848-145-0x0000000002EB0000-0x0000000003BBB000-memory.dmp

        memory/3848-146-0x0000000002EB0000-0x0000000003BBB000-memory.dmp

        memory/3848-148-0x0000000002EB0000-0x0000000003BBB000-memory.dmp